Home / 657,358.02-986,184.69-208,105.86

Finding the Fourth Proportional to 657,358.02, 986,184.69 and 208,105.86

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Solution

The fourth proportional to 657,358.02, 986,184.69 and 208,105.86 is: 312,205.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,358.02 : 986,184.69 = 208,105.86 : x
  2. Step 2: Convert to fraction form
    657,358.02/986,184.69 = 208,105.86/x
  3. Step 3: Cross multiply
    657,358.02x = 986,184.69 × 208,105.86
  4. Step 4: Simplify right side
    657,358.02x = 205,230,813,031.28
  5. Step 5: Solve for x
    x = 205,230,813,031.28/657,358.02
  6. Step 6: Final answer
    x = 312,205.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.